An interpretable framework of data-driven turbulence modeling using deep neural networks
Reynolds-averaged Navier–Stokes simulations represent a cost-effective option for practical
engineering applications, but are facing ever-growing demands for more accurate …
engineering applications, but are facing ever-growing demands for more accurate …
A novel evolutionary algorithm applied to algebraic modifications of the RANS stress–strain relationship
J Weatheritt, R Sandberg - Journal of Computational Physics, 2016 - Elsevier
This paper presents a novel and promising approach to turbulence model formulation, rather
than putting forward a particular new model. Evolutionary computation has brought symbolic …
than putting forward a particular new model. Evolutionary computation has brought symbolic …
The development of algebraic stress models using a novel evolutionary algorithm
J Weatheritt, RD Sandberg - International Journal of Heat and Fluid Flow, 2017 - Elsevier
This work presents developments to a novel evolutionary framework that symbolically
regresses algebraic forms of the Reynolds stress anisotropy tensor. This work contributes to …
regresses algebraic forms of the Reynolds stress anisotropy tensor. This work contributes to …
Turbulence and secondary motions in square duct flow
We study turbulent flows in pressure-driven ducts with square cross-section through direct
numerical simulation in a wide enough range of Reynolds number to reach flow conditions …
numerical simulation in a wide enough range of Reynolds number to reach flow conditions …
Prandtl's secondary flows of the second kind. Problems of description, prediction, and simulation
NV Nikitin, NV Popelenskaya, A Stroh - Fluid Dynamics, 2021 - Springer
The occurrence of turbulent pulsations in straight pipes of noncircular cross-section leads to
the situation, when the average velocity field includes not only the longitudinal component …
the situation, when the average velocity field includes not only the longitudinal component …
[HTML][HTML] High-fidelity simulations in complex geometries: Towards better flow understanding and development of turbulence models
R Vinuesa - Results in Engineering, 2021 - Elsevier
The present review shows a summary of current trends in high-fidelity simulations of
turbulent flows in moderately complex geometries. These trends are put in the historical …
turbulent flows in moderately complex geometries. These trends are put in the historical …
Convergence of numerical simulations of turbulent wall-bounded flows and mean cross-flow structure of rectangular ducts
Convergence criteria for direct numerical simulations of turbulent channel and duct flows are
proposed. The convergence indicator for channels is defined as the deviation of the …
proposed. The convergence indicator for channels is defined as the deviation of the …
Secondary flow in turbulent ducts with increasing aspect ratio
Direct numerical simulations of turbulent duct flows with aspect ratios 1, 3, 5, 7, 10, and 14.4
at a center-plane friction Reynolds number Re τ, c≃ 180, and aspect ratios 1 and 3 at Re τ …
at a center-plane friction Reynolds number Re τ, c≃ 180, and aspect ratios 1 and 3 at Re τ …
Review of research on streamwise corner boundary layer
R Yang, Q Wang, Z Dong, Y Zhao - Physics of Fluids, 2023 - pubs.aip.org
This paper is a brief review of recent research on the streamwise corner boundary layer as it
affects the component performance evaluation of both the theoretical and practical aircraft …
affects the component performance evaluation of both the theoretical and practical aircraft …
Self-critical machine-learning wall-modeled LES for external aerodynamics
A Lozano-Durán, HJ Bae - arXiv preprint arXiv:2012.10005, 2020 - arxiv.org
The prediction of aircraft aerodynamic quantities of interest remains among the most
pressing challenges for computational fluid dynamics. The aircraft aerodynamics are …
pressing challenges for computational fluid dynamics. The aircraft aerodynamics are …